Category:Prairie du Chien Group

Subcategories

This category has the following 12 subcategories, out of 12 total.

Media in category "Prairie du Chien Group"

The following 5 files are in this category, out of 5 total.

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  Bedding in cave wall (Prairie du Chien Group, Ordovician; Crystal Cave, near Spring Valley, Wisconsin, USA) 2 (18319951234).jpg 4,000 × 3,000; 2.65 MB
  
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  Breakout dome in dolostone cave (Prairie du Chien Group, Ordovician; Crystal Cave, near Spring Valley, Wisconsin, USA) (18337922764).jpg 4,000 × 3,000; 3.27 MB
  
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  Dissolutionally sculpted dolostone & juvenile travertine stalactites on cave ceiling (Prairie du Chien Group, Ordovician; Crystal Cave, near Spring Valley, Wisconsin, USA) (18963449551).jpg 4,000 × 3,000; 3.17 MB
  
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  Large cave room in dolostone (Prairie du Chien Group, Ordovician; upper level of Crystal Cave, near Spring Valley, Wisconsin, USA) (18321911043).jpg 4,000 × 3,000; 3.69 MB
  
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  Maclurites fossil gastropod in dolostone cave floor (Prairie du Chien Group, Ordovician; Crystal Cave, near Spring Valley, Wisconsin, USA) 1 (18774620869).jpg 4,000 × 2,550; 2.44 MB